The Secret Explorers and the lost whales

Meet The Secret Explorers! This group of brilliant kids comes together from all four corners of the globe to fix problems, solve mysteries, and gather knowledge all over the planet--and beyond. Whenever their help is needed, a special sign will appear on a door. They step through to the Exploration Station and receive their mission ... In The Lost Whales, marine life expert Connor needs to use his underwater expertise to help save a pod of humpba...